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* tree.c (replace_placeholders_r): Pass NULL as last argument to
cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
to false and return.
(replace_placeholders): Pass NULL instead of &pset as last argument
to cp_walk_tree.
* g++.dg/cpp0x/pr83556.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@256087 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/70029 - ICE with ref-qualifier and -flto
gcc/
* langhooks.h (struct lang_hooks_for_types): Add
copy_lang_qualifiers.
* langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
NULL.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
* tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
(build_type_attribute_qual_variant): Use copy_lang_qualifiers.
gcc/cp/
* tree.c (cxx_copy_lang_qualifiers): New.
* cp-tree.h: Declare it.
* cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@253424 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (struct replace_placeholders_t): Add pset field.
(replace_placeholders_r): Call cp_walk_tree with d->pset as
last argument instead of NULL. Formatting fix.
(replace_placeholders): Add pset variable, add its address
into data. Pass &pset instead of NULL to cp_walk_tree.
* g++.dg/ubsan/pr81929.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@253108 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (cp_tree_equal): Remove COMPONENT_REF special case.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@249814 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.h (build_array_type): Add typeless_storage default argument.
* tree.c (type_cache_hasher::equal): Also compare
TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
(build_array_type): Add typeless_storage argument, set
TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
recursive call.
(build_nonshared_array_type): Adjust build_array_type_1 caller.
(build_array_type): Likewise. Add typeless_storage argument.
c-family/
* c-common.c (complete_array_type): Preserve TYPE_TYPELESS_STORAGE.
cp/
* tree.c (build_cplus_array_type): Call build_array_type
with the intended TYPE_TYPELESS_STORAGE flag value, instead
of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
on the shared type.
testsuite/
* g++.dg/other/pr80423.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@247014 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
* g++.dg/cpp0x/alias-decl-59.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246962 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (lvalue_kind): Return clk_class for an array prvalue.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246954 138bc75d-0d04-0410-961f-82ee72b054a4
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Bernd Edlinger <bernd.edlinger@hotmail.de>
PR middle-end/79671
* alias.c (component_uses_parent_alias_set_from): Handle
TYPE_TYPELESS_STORAGE.
(get_alias_set): Likewise.
* tree-core.h (tree_type_common): Add typeless_storage flag.
* tree.h (TYPE_TYPELESS_STORAGE): New macro.
* stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
for types containing members with TYPE_TYPELESS_STORAGE.
(place_field): Likewise.
(layout_type): Likewise for ARRAY_TYPE.
* lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
* tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
TYPE_TYPELESS_STORAGE.
* tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
lto/
* lto.c (compare_tree_sccs_1): Compare TYPE_TYPELESS_STORAGE.
cp/
* tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
for arrays of character or std::byte type.
* g++.dg/torture/pr79671.C: New testcase.
* g++.dg/lto/pr79671_0.C: Likewise.
* g++.dg/lto/pr79671_1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246866 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
operand, if it is a static member function, recurse on the
BASELINK.
* g++.dg/init/ref23.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246825 138bc75d-0d04-0410-961f-82ee72b054a4
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* call.c (build_over_call): Don't check cxx_dialect.
* cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
whether SUB is a CONSTRUCTOR.
* init.c (build_new_1): Don't check cxx_dialect.
* tree.c (replace_placeholders): Add a function comment. Return if
not in C++14, or if the object isn't a (member of a) class.
* typeck2.c (store_init_value): Don't check cxx_dialect nor whether
TYPE is CLASS_TYPE_P.
* g++.dg/cpp1y/nsdmi-aggr8.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246772 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (strip_typedefs): Skip the attribute handling if T is
a variant type which hasn't been updated yet.
* g++.dg/warn/Wpadded-1.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245988 138bc75d-0d04-0410-961f-82ee72b054a4
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* init.c (build_new): Make backups of any CONSTRUCTORs in init.
(build_new_1): Use replace_placeholders.
* tree.c (replace_placeholders_t): Also track whether we've seen a
placeholder.
(replace_placeholders, replace_placeholders_r): Adjust.
* cp-tree.h: Adjust.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245372 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (build_min_non_dep): Use unlowered_expr_type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245343 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/79350 - explicit deduction guide
* parser.c (cp_parser_constructor_declarator_p)
(cp_parser_direct_declarator): Parse deduction guides more like
constructors.
* cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
* tree.c (special_function_p): Return it.
* decl.c (check_special_function_return_type): Handle it.
(grokdeclarator, grokfndecl): Adjust.
(cp_finish_decl): Pass flags to do_auto_deduction.
* error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
* pt.c (dguide_name_p): Take a const_tree.
(do_class_deduction): Handle explicit.
(do_auto_deduction): Pass flags through.
(build_deduction_guide): Copy explicit flag.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245314 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
allow one fewer than expected arguments if flag_permissive.
* g++.dg/lookup/pr79377.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245219 138bc75d-0d04-0410-961f-82ee72b054a4
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* decl2.c (vague_linkage_p): Handle decloned 'tors.
* tree.c (decl_linkage): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244935 138bc75d-0d04-0410-961f-82ee72b054a4
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* cp-tree.h (tsubst_flags): Add tf_no_cleanup.
* init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
* tree.c (build_target_expr): Check tf_no_cleanup.
PR c++/78469
* g++.dg/cpp0x/pr78469.C: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@244882 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@243994 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242647 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (bitfield_p): New.
* cp-tree.h: Declare it.
* typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
(cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
* decl.c (cp_finish_decomp): Look through reference. Always
SET_DECL_DECOMPOSITION_P.
* semantics.c (finish_decltype_type): Adjust decomposition handling.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242408 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* match.pd: Don't try to compare addresses of variables with
DECL_VALUE_EXPR.
gcc/cp/
* cp-tree.h (struct lang_decl_base): Add decomposition_p.
(DECL_DECOMPOSITION_P): New
(enum auto_deduction_context): Add adc_decomp_type.
(enum cp_declarator_kind): Add cdk_decomp.
* constexpr.c (cxx_eval_constant_expression): Look through
DECL_VALUE_EXPR.
(potential_constant_expression_1): Likewise.
* decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
(check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
(cp_finish_decl): Pass adc_decomp_type for decomposition.
(find_decomp_class_base, get_tuple_size, get_tuple_element_type)
(get_tuple_decomp_init, cp_finish_decomp): New.
(grokdeclarator): Handle decomposition.
* init.c (build_aggr_init): Handle decomposition array.
(build_vec_init): Handle initialization from { array }.
* name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
OVERLOAD.
* parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
(function_declarator_p, strip_declarator_types)
(cp_parser_check_declarator_template_parameters): Likewise.
(cp_parser_range_for, cp_convert_range_for): Handle decomposition.
(cp_parser_simple_declaration): Parse decomposition.
(cp_parser_decomposition_declaration): New.
* pt.c (tsubst_decomp_names): New.
(subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
(do_auto_deduction): Handle adc_decomp_type.
* semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
* typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
* tree.c (lvalue_kind): Likewise.
(cp_build_reference_type): Handle reference collapsing.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242377 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/cp/
* cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
(flag_noexcept_type, ce_type): New.
* call.c (build_conv): Add ck_fnptr.
(enum conversion_kind): Change ck_tsafe to ck_fnptr.
(convert_like_real): Likewise.
(standard_conversion): Likewise. Allow function pointer
conversions for pointers to member functions.
(reference_compatible_p): Allow function pointer conversions.
(direct_reference_binding): Likewise.
(reference_binding): Reference-compatible is no longer a subset of
reference-related.
(is_subseq): Also strip ck_lvalue after next_conversion.
* class.c (instantiate_type): Check fnptr_conv_p.
(resolve_address_of_overloaded_function): Likewise.
* cvt.c (can_convert_tx_safety): Now static.
(noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
* decl.c (flag_noexcept_type): Define.
(cxx_init_decl_processing): Set it.
(bad_specifiers): Check it.
(grokdeclarator) [cdk_function]: Add exception-spec to type here.
* lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
returned pointer.
* mangle.c (struct globals): Add need_cxx1z_warning.
(mangle_decl): Check it.
(write_exception_spec): New.
(write_function_type): Call it.
(canonicalize_for_substitution): Handle exception spec.
(write_type): Likewise.
(write_encoding): Set processing_template_decl across mangling of
partially-instantiated type.
* pt.c (determine_specialization): Pass tf_fndecl_type.
(tsubst_decl, fn_type_unification): Likewise.
(tsubst): Strip tf_fndecl_type, pass it to
tsubst_exception_specification.
(convert_nontype_argument_function): Handle function pointer
conversion.
(convert_nontype_argument): Likewise.
(unify, for_each_template_parm_r): Walk into noexcept-specifier.
* rtti.c (ptr_initializer): Encode noexcept.
* tree.c (canonical_eh_spec): New.
(build_exception_variant): Use it.
* typeck.c (composite_pointer_type): Handle fnptr conversion.
(comp_except_specs): Compare canonical EH specs.
(structural_comptypes): Call it.
gcc/c-family/
* c.opt (Wc++1z-compat): New.
* c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.
libstdc++-v3/
* include/bits/c++config (_GLIBCXX_NOEXCEPT_PARM)
(_GLIBCXX_NOEXCEPT_QUAL): New.
* include/std/type_traits (is_function): Use them.
* libsubc++/new (launder): Likewise.
* libsupc++/cxxabi.h (__pbase_type_info::__masks): Add
__noexcept_mask.
* libsupc++/pbase_type_info.cc (__do_catch): Handle function
pointer conversion.
libiberty/
* cp-demangle.c (is_fnqual_component_type): New.
(d_encoding, d_print_comp_inner, d_print_mod_list): Use it.
(FNQUAL_COMPONENT_CASE): New.
(d_make_comp, has_return_type, d_print_comp_inner)
(d_print_function_type): Use it.
(next_is_type_qual): New.
(d_cv_qualifiers, d_print_mod): Handle noexcept and throw-spec.
include/
* demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_NOEXCEPT, DEMANGLE_COMPONENT_THROW_SPEC.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241944 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* tree.c (check_lang_type): New.
(check_qualified_type): Use it.
(check_aligned_type): Use it.
* tree.h: Declare it.
gcc/cp/
* tree.c (cp_check_qualified_type): Call check_base_type instead
of check_qualified_type.
(cxx_type_hash_eq): Check ref-qualifiers.
* typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241831 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/c-family/
* c.opt (-fnew-inheriting-ctors): New.
* c-opts.c: Default to on for ABI 11+.
gcc/cp/
* call.c (enum rejection_reason_code): Add rr_inherited_ctor.
(inherited_ctor_rejection): New.
(add_function_candidate): Reject inherited ctors for copying.
(enforce_access): Use strip_inheriting_ctors.
(print_z_candidate): Likewise. Handle rr_inherited_ctor.
(convert_like_real): Avoid copying inheriting ctor parameters.
(build_over_call): Likewise. A base ctor inheriting from vbase
has no parms. Sorry about varargs.
(joust): A local constructor beats inherited with the same convs.
* class.c (add_method): Handle hiding inheriting ctors.
(one_inherited_ctor): Handle new semantics.
(add_implicitly_declared_members): Pass using_decl down.
(build_clone): A base ctor inheriting from vbase has no parms.
* cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
(SET_DECL_INHERITED_CTOR): Likewise.
(DECL_INHERITED_CTOR_BASE): Adjust.
* constexpr.c: Adjust.
* error.c (dump_function_decl): Decorate inheriting ctors.
* init.c (emit_mem_initializers): Suppress access control in
inheriting ctor.
* mangle.c (write_special_name_constructor): Handle new inheriting
ctor mangling.
* method.c (strip_inheriting_ctors, inherited_ctor_binfo)
(ctor_omit_inherited_parms, binfo_inherited_from): New.
(synthesized_method_walk): Use binfo_inherited_from. Suppress
access control in inheriting ctor.
(deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
(maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
(add_one_base_init, do_build_copy_constructor): Adjust.
(locate_fn_flags, explain_implicit_non_constexpr): Adjust.
(implicitly_declare_fn): Adjust.
(get_inherited_ctor): Remove.
* name-lookup.c (do_class_using_decl): Check for indirect ctor
inheritance.
* optimize.c (cdtor_comdat_group): Adjust for new mangling.
(maybe_clone_body): Handle omitted parms in base clone.
(maybe_thunk_body): Don't thunk if base clone omits parms.
* pt.c (tsubst_decl): Adjust.
(instantiate_template_1): Suppress access control in inheriting
ctor.
(fn_type_unification): Do deduction with inherited ctor.
* tree.c (special_function_p): Adjust.
gcc/
* tree-inline.c (copy_tree_body_r): Only copy the taken branch of
a COND_EXPR with constant condition.
libiberty/
* cp-demangle.c (d_ctor_dtor_name): Handle inheriting constructor.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241765 138bc75d-0d04-0410-961f-82ee72b054a4
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std::has_unique_object_representations trait
c-family/
* c-common.h (enum rid): Add RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
* c-common.c (c_common_reswords): Add
__has_unique_object_representations.
cp/
* cp-tree.h (enum cp_trait_kind): Add
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
(struct lang_type_class): Add unique_obj_representations
and unique_obj_representations_set bitfields.
(CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
(type_has_unique_obj_representations): Declare.
* parser.c (cp_parser_primary_expression): Handle
RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
(cp_parser_trait_expr): Likewise. Formatting fix.
* semantics.c (trait_expr_value, finish_trait_expr): Handle
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
* tree.c (type_has_unique_obj_representations): New function.
(record_has_unique_obj_representations): New function.
* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
testsuite/
* g++.dg/cpp1z/has-unique-obj-representations1.C: New test.
* g++.dg/cpp1z/has-unique-obj-representations2.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240843 138bc75d-0d04-0410-961f-82ee72b054a4
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(java_interface): Remove.
cp/
* cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
(java_byte_type_node, java_short_type_node, java_int_type_node,
java_long_type_node, java_float_type_node, java_double_type_node,
java_char_type_node, java_boolean_type_node, lang_name_java,
jclass_node): Remove.
(enum languages): Remove lang_java.
(TYPE_FOR_JAVA): Remove.
(struct lang_type_class): Remove java_interface bit-field.
(TYPE_JAVA_INTERFACE): Remove.
(pragma_java_exceptions): Remove.
(check_java_method, build_java_class_ref): Remove prototypes.
* name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
* decl2.c (acceptable_java_type, check_java_method): Remove.
(import_export_decl): Remove TYPE_FOR_JAVA handling.
(build_java_method_aliases): Remove.
(c_parse_final_cleanups): Don't call build_java_method_aliases.
(possibly_inlined_p): Don't test pragma_java_exceptions.
* init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
(build_java_class_ref): Remove.
* pt.c (maybe_new_partial_specialization, lookup_template_class_1,
instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
* except.c (eh_type_info): Remove java type handling.
(decl_is_java_type, choose_personality_routine): Remove.
(initialize_handler_parm): Don't call choose_personality_routine.
(expand_start_catch_block): Don't handle java types.
(build_throw): Likewise.
* cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
* typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
* call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
(java_iface_lookup_fn): Remove.
(build_java_interface_fn_ref): Remove.
* tree.c (cxx_attribute_table): Remove java_interface.
(handle_java_interface_attribute): Remove.
* lex.c (pragma_java_exceptions): Remove.
(init_cp_pragma): Don't register GCC java_exceptions pragma.
(handle_pragma_java_exceptions): Remove.
(retrofit_lang_decl): Don't handle lang_name_java.
* method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
* error.c (language_to_string): Don't handle lang_java.
* decl.c (record_builtin_java_type): Remove.
(initialize_predefined_identifiers): Remove Java.
(cxx_init_decl_processing): Remove java_*_type_node.
(cp_finish_decl): Don't handle TYPE_FOR_JAVA.
(grokfndecl): Likewise.
(check_special_function_return_type): Likewise.
(grokdeclarator): Don't set TYPE_FOR_JAVA.
(grokparms): Don't handle TYPE_FOR_JAVA.
(xref_basetypes): Likewise.
(check_function_type): Likewise.
(finish_constructor_body): Likewise.
* mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
and java_*_type_node.
(write_bare_function_type): Don't handle TYPE_FOR_JAVA.
(write_java_integer_type_codes): Remove.
* class.c (add_method): Don't handle TYPE_FOR_JAVA.
(add_implicitly_declared_members, determine_key_method,
finish_struct_1): Likewise.
(push_lang_context): Don't handle lang_name_java.
testsuite/
* g++.dg/other/java3.C: Remove.
* g++.dg/other/java1.C: Remove.
* g++.dg/other/error12.C: Remove.
* g++.dg/other/java2.C: Remove.
* g++.dg/warn/Wnvdtor.C: Remove.
* g++.dg/lookup/java1.C: Remove.
* g++.dg/lookup/java2.C: Remove.
* g++.dg/ext/pr34829.C: Remove.
* g++.dg/ext/java-3.C: Remove.
* g++.dg/ext/java-1.C: Remove.
* g++.dg/ext/java-2.C: Remove.
* g++.old-deja/g++.oliva/dwarf2.C: Remove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240750 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/cp/
* cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
(align_type_node): New macro.
* call.c (build_operator_new_call): Handle C++17 aligned new.
(second_parm_is_size_t, build_op_delete_call): Likewise.
(non_placement_deallocation_fn_p): Likewise. Rename to
usual_deallocation_fn_p.
(aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
* decl.c (cxx_init_decl_processing): Add aligned new support.
* init.c (type_has_new_extended_alignment): New.
(build_new_1): Handle aligned new.
* tree.c (vec_copy_and_insert): New.
gcc/c-family/
* c.opt: Add -faligned-new and -Waligned-new.
* c-common.c (max_align_t_align): Split out from...
(cxx_fundamental_alignment_p): ...here.
* c-common.h: Declare it.
* c-cppbuiltin.c (c_cpp_builtins): Handle aligned new.
libstdc++-v3/
* libsupc++/new: Declare aligned new/delete operators.
* config/abi/pre/gnu.ver: Export them.
* configure.ac: Check for aligned_alloc, posix_memalign, memalign,
_aligned_malloc.
* libsupc++/new_opa.cc: New.
* libsupc++/new_opant.cc: New.
* libsupc++/new_opva.cc: New.
* libsupc++/new_opva.cc: New.
* libsupc++/del_opa.cc: New.
* libsupc++/del_opant.cc: New.
* libsupc++/del_opsa.cc: New.
* libsupc++/del_opva.cc: New.
* libsupc++/del_opvant.cc: New.
* libsupc++/del_opvsa.cc: New.
* libsupc++/Makefile.am: Build them.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240056 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* alias.c (find_base_value): Adjust fall through comment.
* cfgexpand.c (expand_debug_expr): Likewise.
* combine.c (find_split_point): Likewise.
(expand_compound_operation): Likewise. Add FALLTHRU.
(make_compound_operation): Adjust fall through comment.
(canon_reg_for_combine): Add FALLTHRU.
(force_to_mode): Adjust fall through comment.
(simplify_shift_const_1): Likewise.
(simplify_comparison): Likewise.
* config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add
FALLTHRU.
* config/aarch64/predicates.md: Likewise.
* config/i386/i386.c (function_arg_advance_32): Likewise.
(ix86_gimplify_va_arg): Likewise.
(print_reg): Likewise.
(ix86_print_operand): Likewise.
(ix86_build_const_vector): Likewise.
(ix86_expand_branch): Likewise.
(ix86_sched_init_global): Adjust fall through comment.
(ix86_expand_args_builtin): Add FALLTHRU.
(ix86_expand_builtin): Likewise.
(ix86_expand_vector_init_one_var): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
(rs6000_adjust_cost): Likewise.
(insn_must_be_first_in_group): Likewise.
* config/rs6000/rs6000.md: Likewise. Adjust fall through comment.
* dbxout.c (dbxout_symbol): Adjust fall through comment.
* df-scan.c (df_uses_record): Likewise.
* dojump.c (do_jump): Add FALLTHRU.
* dwarf2out.c (mem_loc_descriptor): Likewise. Adjust fall through
comment.
(resolve_args_picking_1): Adjust fall through comment.
(loc_list_from_tree_1): Likewise.
* expmed.c (make_tree): Likewise.
* expr.c (expand_expr_real_2): Add FALLTHRU.
(expand_expr_real_1): Likewise. Adjust fall through comment.
* fold-const.c (const_binop): Adjust fall through comment.
(fold_truth_not_expr): Likewise.
(fold_cond_expr_with_comparison): Add FALLTHRU.
(fold_binary_loc): Likewise.
(contains_label_1): Adjust fall through comment.
(multiple_of_p): Likewise.
* gcov-tool.c (process_args): Add FALLTHRU.
* genattrtab.c (check_attr_test): Likewise.
(write_test_expr): Likewise.
* genconfig.c (walk_insn_part): Likewise.
* genpreds.c (validate_exp): Adjust fall through comment.
(needs_variable): Likewise.
* gensupport.c (get_alternatives_number): Add FALLTHRU.
(subst_dup): Likewise.
* gimple-pretty-print.c (dump_gimple_assign): Likewise.
* gimplify.c (gimplify_addr_expr): Adjust fall through comment.
(gimplify_scan_omp_clauses): Add FALLTHRU.
(goa_stabilize_expr): Likewise.
* graphite-isl-ast-to-gimple.c (substitute_ssa_name): Adjust fall
through comment.
* hsa-gen.c (get_address_from_value): Likewise.
* ipa-icf.c (sem_function::hash_stmt): Likewise.
* ira.c (ira_setup_alts): Add FALLTHRU.
* lra-eliminations.c (lra_eliminate_regs_1): Adjust fall through
comment.
* lto-streamer-out.c (lto_output_tree_ref): Add FALLTHRU.
* opts.c (common_handle_option): Likewise.
* read-rtl.c (read_rtx_code): Likewise.
* real.c (round_for_format): Likewise.
* recog.c (asm_operand_ok): Likewise.
* reginfo.c (reg_scan_mark_refs): Adjust fall through comment.
* reload1.c (set_label_offsets): Likewise.
(eliminate_regs_1): Likewise.
(reload_reg_reaches_end_p): Likewise.
* rtlanal.c (commutative_operand_precedence): Add FALLTHRU.
(rtx_cost): Likewise.
* sched-rgn.c (is_exception_free): Likewise.
* simplify-rtx.c (simplify_rtx): Adjust fall through comment.
* stor-layout.c (int_mode_for_mode): Likewise.
* toplev.c (print_to_asm_out_file): Likewise.
(print_to_stderr): Likewise.
* tree-cfg.c (gimple_verify_flow_info): Likewise.
* tree-chrec.c (chrec_fold_plus_1): Add FALLTHRU.
(chrec_fold_multiply): Likewise.
(evolution_function_is_invariant_rec_p): Likewise.
(for_each_scev_op): Likewise.
* tree-data-ref.c (siv_subscript_p): Likewise.
(get_references_in_stmt): Likewise.
* tree.c (find_placeholder_in_expr): Adjust fall through comment.
(substitute_in_expr): Likewise.
(type_cache_hasher::equal): Likewise.
(walk_type_fields): Likewise.
* var-tracking.c (adjust_mems): Add FALLTHRU.
(set_dv_changed): Adjust fall through comment.
* varasm.c (default_function_section): Add FALLTHRU.
gcc/c-family/
* c-common.c (scalar_to_vector): Adjust fall through comment.
* c-opts.c (c_common_handle_option): Likewise.
* c-pragma.c (handle_pragma_pack): Add FALLTHRU.
* c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust
fall through comment.
* cilk.c (extract_free_variables): Add FALLTHRU.
gcc/c/
* c-parser.c (c_parser_external_declaration): Add FALLTHRU.
(c_parser_postfix_expression): Likewise.
* c-typeck.c (build_unary_op): Adjust fall through comment.
(c_mark_addressable): Likewise.
gcc/cp/
* call.c (add_builtin_candidate): Add FALLTHRU.
(build_integral_nontype_arg_conv): Adjust fall through comment.
(build_new_op_1): Add FALLTHRU.
(convert_like_real): Adjust fall through comment.
* class.c (fixed_type_or_null): Likewise.
* constexpr.c (cxx_eval_constant_expression): Likewise.
(potential_constant_expression_1): Likewise. Add FALLTHRU.
* cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
(cp_fold): Add FALLTHRU.
* cvt.c (build_expr_type_conversion): Adjust fall through comment.
* cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
(pp_cxx_qualified_id): Likewise.
(cxx_pretty_printer::constant): Adjust fall through comment.
(cxx_pretty_printer::primary_expression): Add FALLTHRU.
(pp_cxx_pm_expression): Adjust fall through comment.
(cxx_pretty_printer::expression): Add FALLTHRU.
(cxx_pretty_printer::declaration_specifiers): Reformat code.
(pp_cxx_type_specifier_seq): Adjust fall through comment.
(pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
* error.c (dump_type): Adjust fall through comment.
(dump_decl): Likewise.
* mangle.c (write_type): Likewise.
* method.c (synthesized_method_walk): Add FALLTHRU.
* name-lookup.c (arg_assoc_type): Likewise.
* parser.c (cp_lexer_print_token): Adjust fall through comment.
(cp_parser_primary_expression): Add FALLTHRU.
(cp_parser_operator): Likewise.
* pt.c (find_parameter_packs_r): Likewise.
(tsubst_aggr_type): Adjust fall through comment.
* semantics.c (finish_omp_clauses): Add FALLTHRU.
* tree.c (lvalue_kind): Likewise.
gcc/fortran/
* decl.c (match_attr_spec): Add FALLTHRU.
* primary.c (match_arg_list_function): Likewise.
* resolve.c (resolve_operator): Adjust fall through comment.
(fixup_charlen): Add FALLTHRU.
(resolve_allocate_expr): Adjust fall through comment.
* trans-array.c (gfc_conv_ss_startstride): Add FALLTHRU.
* trans-intrinsic.c (gfc_conv_intrinsic_len): Adjust fall through
comment.
gcc/java/
* expr.c (java_truthvalue_conversion): Adjust fall through comment.
* jcf-io.c (verify_constant_pool): Likewise.
* typeck.c (promote_type): Likewise.
gcc/objc/
* objc-encoding.c (encode_type): Add FALLTHRU.
libcpp/
* lex.c (search_line_fast): Add FALLTHRU.
(_cpp_lex_direct): Likewise.
(cpp_token_val_index): Adjust fall through comment.
* macro.c (parse_params): Add FALLTHRU.
* pch.c (count_defs): Adjust fall through comment.
(write_defs): Likewise.
libiberty/
* cp-demangle.c (d_print_mod): Add FALLTHRU.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@239410 138bc75d-0d04-0410-961f-82ee72b054a4
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* cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
(TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
* class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@239137 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/67565
PR c++/67579
PR c++/71843
gcc/
* timevar.def (TV_CONSTRAINT_SAT, TV_CONSTRAINT_SUB): New time vars
for constraint satisfaction and subsumption.
* timevar.h (auto_timevar): New constructor that matches the push/pop
pattern of usage in pt.c.
gcc/cp/
* cp-tree.def (CHECK_CONSTR): New.
* cp-tree.h (CHECK_CONSTR_CONCEPT): New.
(CHECK_CONSTR_ARGS): New.
* constraint.cc (make_predicate_constraint): Remove in favor of
normalize_expression.
(resolve_constraint_check): Actually return error_mark_node when
resolution fails.
(resolve_variable_concept_check): Perform coercion as if processing
a template. Also return errors on resolution failure.
(lift_*): Remove all of these functions. Don't unnecessarily inline
concepts.
(learn_*): Add facilities to memoize implications for subsumption
during normalization.
(expanding_concept): New.
(expand_concept): New. Return the inlined and normalized definition
of a concept when needed.
(transform_*, xform_*): Rename to normalize_* to better reflect the
responsibility of those functions.
(normalize_template_id_expression): Check for non-boolean operands
when possible. Generate check constraints instead of normal variable
references.
(normalize_call_expression): Report errors when resolution fails.
(check_for_logical_overloads): Rewrite this check to more accurately
report the error.
(normalize_atom): Check for overloaded calls and invalid types before
determining if the expression refers to a concept.
(build_constraints): Don't cache normalized constraints or decmposed
assumptions.
(finish_shorthand_constraint): Return a normalized expression instead
of a predicate constraint.
(finish_template_introduction): Same.
(placeholder_extract_concept_and_args): Rewrite this since we only
ever get check constraints here.
(equivalent_placeholder_constraints): Rewrite in terms of check
constraints, and handle error_mark_nodes correctly.
(tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
(tsubst_implicit_conversion_constr)
(tsubst_argument_deduction_constr, tsubst_exception_constr)
(tsubst_parameterized_constraint, tsubst_constraint): New.
(tsbust_conjunection): Replace with tsubst_logical_operator and
actually generate the right kind of constraint.
(tsubst_requirement_body): Reverse the order of substituted arguments
so that they appear in the order written (helps diagnostics).
(satisfy_check_constraint): New.
(satisfy_conjunction): Simplify.
(satisfy_disjunction): Same.
(satisfy_constraint_1): Handle check constraints.
(eval_constr): New (private) global state.
(evaluating_constraints_sentinel): New. Manages eval_constr.
(satisfy_constraint): Add timing variables.
(satisfy_associated_constraints): Add hooks for memoization.
(evaluate_function_concept): Build a check constraint instead of
normalizing its definition.
(evaluate_variable_concept): Same.
(evaluate_constraint_expression): Normalize, but in the current
declaration processing context.
(evaluating_constraints_p): New.
(elide_constraint_failure_p): Actually emit constraint_thresh errors.
(diagnose_*): Remove artificial indentation. Add a new parameter to
each that tracks the current (complete) constraint prior to any
substitutions.
(diagnose_expression): Removed.
(diagnose_call_expression): Same.
(diagnose_template_id): Same.
(diagnose_template_id): New.
(diagnose_logical_constraint): New.
(diagnose_expression_constraint): Show the original expression.
(diagnose_type_constraint): Show the original type.
(diagnose_implicit_conversion_constraint): Be specific about
failures, don't re-diagnose a known-to-be-failed substitutions,
and manage elisions properly.
(diagnose_argument_deduction_constraint): Same.
(diagnose_exception_constraint): Same.
(diagnose_parameterized_constraint): Same.
(constraint_p): Allow EXPR_PACK_EXPANSION.
* logic.cc (next_by_distance): Removed. No longer used.
(any_p): Renamed from any_of.
(term_entry, term_hasher): New.
(term_list): Rewrite to include a hash table for quick lookup.
Also, make less stateful.
(proof_state): Extend to allow goals to be discharged once
satisfied.
(non_atomic_constraint_p): New.
(any_non_atomic_constraints_p): New.
(...rest...): Previous implementation completely replaced with an
iterative algorithm that opportunistically prunes the search space
before committing to using more memory.
* parser.c: (cp_parser_type_parameter): Normalize constraints.
(cp_parser_explicit_template_declaration): Same.
* pt.c: (finish_template_variable): Be less redundant with this error
message.
(template_args_equal): No longer static.
(tsubst_decl): Don't try to find specializations of variables that
have already been instantiated.
(build_non_dependent_expr): Avoid infinite recursion during concept
expansion.
(make_constrained_auto): Normalize constraints.
(do_auto_deduction): When doing auto deduction from a
partial-concept-id, be sure to include the explicit args checking
the constraints.
(constraint_sat_*): New. Memoize satisfied constraints.
(concept_spec_*): New. Memoize expressions associated with a concept
specialization.
(constraint_memos, concept_memos): New.
(lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
(lookup_concept_satisfaction, memoize_concept_satisfaction): New.
(get_concept_expansion, save_concept_expansion): New.
(hash_subsumption_args): New.
(comp_subsumption_args): New.
(subsumption_*): New. Memoize parts of the subsumption relation.
(lookup_subsumption_result, save_subsumption_result): New.
(init_constraint_processing): Initialize memo tables.
(get_constraints): Shortcut if !flag_concepts.
* decl.c (grokfndecl): Normalize constraints.
* error.c (dump_simple_decl): Print "concept" when appropriate.
(dump_function_decl): Same.
(dump_template_decl): Don't write requirements when we're not
printing the header.
(dump_expr): Handle fold expressions.
* cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
fold expressions.
(get_fold_operator): New.
(pp_cxx_unary_left_fold_expression): New.
(pp_cxx_unary_right_fold_expression): New.
(pp_cxx_binary_fold_expression): New.
(pp_cxx_check_constraint): New.
(pp_cxx_*_constraint): Rewrite the grammar of internal constraints
to make them easier to read when debugging.
* search.c (accessible_p): Don't shortcut when evaluating constraints.
* tree.c (cp_tree_equal): Handle CHECK_CONSTR.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238558 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/71054
* cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
* tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
DECL_SIZE_UNIT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238444 138bc75d-0d04-0410-961f-82ee72b054a4
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* cp-tree.h: Unpoison lvalue_p.
* call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
real_lvalue_p.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238183 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (obvalue_p): Rename from lvalue_p.
(lvalue_p): Define for c-common.
* call.c, cp-tree.h, cvt.c, init.c: Adjust.
* typeck.c: Adjust.
(cp_build_addr_expr_1): Remove obsolete code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238182 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
* call.c, cp-tree.h, typeck.c: Adjust.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@238181 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (get_target_expr_sfinae): Handle bit-fields.
(build_target_expr): Call mark_rvalue_use.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237773 138bc75d-0d04-0410-961f-82ee72b054a4
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DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
DECL_BUILT_IN.
(bot_manip): Likewise.
* call.c (magic_varargs_p): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237563 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/c-family/
* c.opt (fargs-in-order): New.
* c-opts.c (c_common_post_options): Adjust flag_args_in_order.
gcc/cp/
* cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
(CALL_EXPR_REVERSE_ARGS): New.
* call.c (build_new_op_1): Set them.
(extract_call_expr, op_is_ordered): New.
(build_over_call): Set CALL_EXPR_ORDERED_ARGS.
* cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
* pt.c (tsubst_copy_and_build): Copy new flags.
* semantics.c (simplify_aggr_init_expr): Likewise.
* tree.c (build_aggr_init_expr): Likewise.
(build_min_non_dep_op_overload): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237459 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c/68120
* builtins.def (BUILT_IN_ADD_OVERFLOW_P, BUILT_IN_SUB_OVERFLOW_P,
BUILT_IN_MUL_OVERFLOW_P): New builtins.
* builtins.c: Include gimple-fold.h.
(fold_builtin_arith_overflow): Handle
BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
(fold_builtin_3): Likewise.
* doc/extend.texi (Integer Overflow Builtins): Document
__builtin_{add,sub,mul}_overflow_p.
gcc/c/
* c-typeck.c (convert_arguments): Don't promote last argument
of BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
gcc/cp/
* constexpr.c: Include gimple-fold.h.
(cxx_eval_internal_function): New function.
(cxx_eval_call_expression): Call it.
(potential_constant_expression_1): Handle integer arithmetic
overflow built-ins.
* tree.c (builtin_valid_in_constant_expr_p): Handle
BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
gcc/c-family/
* c-common.c (check_builtin_function_arguments): Handle
BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
gcc/testsuite/
* c-c++-common/builtin-arith-overflow-1.c: Add test cases.
* c-c++-common/builtin-arith-overflow-2.c: New test.
* g++.dg/ext/builtin-arith-overflow-1.C: New test.
* g++.dg/cpp0x/constexpr-arith-overflow.C: New test.
* g++.dg/cpp1y/constexpr-arith-overflow.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@237238 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/10200
PR c++/69753
* pt.c (tsubst_decl): Use uses_template_parms.
(instantiate_template_1): Handle non-dependent calls in templates.
(value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
(type_dependent_expression_p): Only consider innermost template args.
(dependent_template_arg_p): Check enclosing class of a template here.
(dependent_template_p): Not here.
(type_dependent_object_expression_p): New.
* typeck.c (finish_class_member_access_expr): Use it.
* parser.c (cp_parser_postfix_expression): Use it.
(cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
to detect the current instantiation.
(cp_parser_lookup_name): Really implement DR 141.
* search.c (lookup_field_r): Prefer a dependent using-declaration.
(any_dependent_bases_p): Split out from...
* name-lookup.c (do_class_using_decl): ...here.
* call.c (build_new_method_call_1): Use it.
* semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
* tree.c (non_static_member_function_p): Remove.
* typeck2.c (build_x_arrow): Use dependent_scope_p.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236221 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/66639 - declare __func__, __FUNCTION__ & __PRETTY_FUNCTION__ constexpr
gcc/testsuite/ChangeLog:
2016-05-03 Martin Sebor <msebor@redhat.com>
PR c++/66561
* c-c++-common/builtin_location.c: New test.
* g++.dg/cpp1y/builtin_location.C: New test.
gcc/cp/ChangeLog:
2016-05-03 Martin Sebor <msebor@redhat.com>
PR c++/66561
* tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
gcc/ChangeLog:
2016-05-03 Martin Sebor <msebor@redhat.com>
PR c++/66561
* builtins.c (fold_builtin_FILE): New function.
(fold_builtin_FUNCTION, fold_builtin_LINE): New functions.
(fold_builtin_0): Call them.
* gimplify.c (gimplify_call_expr): Remove the handling of
BUILT_IN_FILE, BUILT_IN_FUNCTION, and BUILT_IN_LINE.
PR c++/66561
* doc/extend.texi (Other Builtins): Update __builtin_FILE,
__builtin_FUNCTION, and __builtin_LINE to reflect they yield
constants.
PR c++/66639
* doc/extend.texi (Function Names as Strings): Update __func__,
__FUNCTION__, __PRETTY_FUNCTION__ to reflect they evaluate to
constants.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235845 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c++/38172
PR c++/54379
gcc/c-family/
* c-lex.c (c_common_has_attribute): Handle nodiscard.
gcc/cp/
* parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
* tree.c (handle_nodiscard_attribute): New.
(cxx_attribute_table): Add [[nodiscard]].
* cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
(maybe_warn_nodiscard): New.
(convert_to_void): Call it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235597 138bc75d-0d04-0410-961f-82ee72b054a4
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* constexpr.c (get_function_named_in_call): Use it.
* cxx-pretty-print.c (postfix_expression): Use it.
* except.c (check_noexcept_r): Use it.
* method.c (check_nontriv): Use it.
* tree.c (build_aggr_init_expr): Use it.
* cp-tree.h: Declare it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235596 138bc75d-0d04-0410-961f-82ee72b054a4
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2016-04-25 Marek Polacek <polacek@redhat.com>
PR c++/70744
* call.c (build_conditional_expr_1): Call cp_stabilize_reference
instead of stabilize_reference.
(build_over_call): Likewise.
* cp-tree.h (cp_stabilize_reference): Declare.
* tree.c (cp_stabilize_reference): New function.
* typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
stabilize_reference.
(unary_complex_lvalue): Likewise.
(cp_build_modify_expr): Likewise.
* g++.dg/ext/cond2.C: New test.
diff --git gcc/cp/call.c gcc/cp/call.c
index 11f2d42..476e806 100644
--- gcc/cp/call.c
+++ gcc/cp/call.c
@@ -4634,7 +4634,7 @@ build_conditional_expr_1 (location_t loc, tree arg1, tree arg2, tree arg3,
/* Make sure that lvalues remain lvalues. See g++.oliva/ext1.C. */
if (real_lvalue_p (arg1))
- arg2 = arg1 = stabilize_reference (arg1);
+ arg2 = arg1 = cp_stabilize_reference (arg1);
else
arg2 = arg1 = save_expr (arg1);
}
@@ -7644,8 +7644,9 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
|| (TREE_CODE (arg) == TARGET_EXPR
&& !unsafe_copy_elision_p (fa, arg)))
{
- tree to = stabilize_reference (cp_build_indirect_ref (fa, RO_NULL,
- complain));
+ tree to = cp_stabilize_reference (cp_build_indirect_ref (fa,
+ RO_NULL,
+ complain));
val = build2 (INIT_EXPR, DECL_CONTEXT (fn), to, arg);
return val;
@@ -7655,7 +7656,7 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
&& trivial_fn_p (fn)
&& !DECL_DELETED_FN (fn))
{
- tree to = stabilize_reference
+ tree to = cp_stabilize_reference
(cp_build_indirect_ref (argarray[0], RO_NULL, complain));
tree type = TREE_TYPE (to);
tree as_base = CLASSTYPE_AS_BASE (type);
diff --git gcc/cp/cp-tree.h gcc/cp/cp-tree.h
index ec92718..0e46ae1 100644
--- gcc/cp/cp-tree.h
+++ gcc/cp/cp-tree.h
@@ -6494,6 +6494,7 @@ extern cp_lvalue_kind real_lvalue_p (const_tree);
extern cp_lvalue_kind lvalue_kind (const_tree);
extern bool lvalue_or_rvalue_with_address_p (const_tree);
extern bool xvalue_p (const_tree);
+extern tree cp_stabilize_reference (tree);
extern bool builtin_valid_in_constant_expr_p (const_tree);
extern tree build_min (enum tree_code, tree, ...);
extern tree build_min_nt_loc (location_t, enum tree_code,
diff --git gcc/cp/tree.c gcc/cp/tree.c
index 112c8c7..137186f 100644
--- gcc/cp/tree.c
+++ gcc/cp/tree.c
@@ -296,6 +296,46 @@ xvalue_p (const_tree ref)
return (lvalue_kind (ref) == clk_rvalueref);
}
+/* C++-specific version of stabilize_reference. */
+
+tree
+cp_stabilize_reference (tree ref)
+{
+ switch (TREE_CODE (ref))
+ {
+ /* We need to treat specially anything stabilize_reference doesn't
+ handle specifically. */
+ case VAR_DECL:
+ case PARM_DECL:
+ case RESULT_DECL:
+ CASE_CONVERT:
+ case FLOAT_EXPR:
+ case FIX_TRUNC_EXPR:
+ case INDIRECT_REF:
+ case COMPONENT_REF:
+ case BIT_FIELD_REF:
+ case ARRAY_REF:
+ case ARRAY_RANGE_REF:
+ case COMPOUND_EXPR:
+ case ERROR_MARK:
+ break;
+ default:
+ cp_lvalue_kind kind = lvalue_kind (ref);
+ if ((kind & ~clk_class) != clk_none)
+ {
+ tree type = unlowered_expr_type (ref);
+ bool rval = !!(kind & clk_rvalueref);
+ type = cp_build_reference_type (type, rval);
+ /* This inhibits warnings in, eg, cxx_mark_addressable
+ (c++/60955). */
+ warning_sentinel s (extra_warnings);
+ ref = build_static_cast (type, ref, tf_error);
+ }
+ }
+
+ return stabilize_reference (ref);
+}
+
/* Test whether DECL is a builtin that may appear in a
constant-expression. */
diff --git gcc/cp/typeck.c gcc/cp/typeck.c
index cef5604..7e12009 100644
--- gcc/cp/typeck.c
+++ gcc/cp/typeck.c
@@ -5912,7 +5912,7 @@ cp_build_unary_op (enum tree_code code, tree xarg, int noconvert,
{
tree real, imag;
- arg = stabilize_reference (arg);
+ arg = cp_stabilize_reference (arg);
real = cp_build_unary_op (REALPART_EXPR, arg, 1, complain);
imag = cp_build_unary_op (IMAGPART_EXPR, arg, 1, complain);
real = cp_build_unary_op (code, real, 1, complain);
@@ -6112,7 +6112,7 @@ unary_complex_lvalue (enum tree_code code, tree arg)
tree lvalue = TREE_OPERAND (arg, 0);
if (TREE_SIDE_EFFECTS (lvalue))
{
- lvalue = stabilize_reference (lvalue);
+ lvalue = cp_stabilize_reference (lvalue);
arg = build2 (TREE_CODE (arg), TREE_TYPE (arg),
lvalue, TREE_OPERAND (arg, 1));
}
@@ -7496,7 +7496,7 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
case PREINCREMENT_EXPR:
if (TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 0)))
lhs = build2 (TREE_CODE (lhs), TREE_TYPE (lhs),
- stabilize_reference (TREE_OPERAND (lhs, 0)),
+ cp_stabilize_reference (TREE_OPERAND (lhs, 0)),
TREE_OPERAND (lhs, 1));
newrhs = cp_build_modify_expr (TREE_OPERAND (lhs, 0),
modifycode, rhs, complain);
@@ -7516,7 +7516,7 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
case MODIFY_EXPR:
if (TREE_SIDE_EFFECTS (TREE_OPERAND (lhs, 0)))
lhs = build2 (TREE_CODE (lhs), TREE_TYPE (lhs),
- stabilize_reference (TREE_OPERAND (lhs, 0)),
+ cp_stabilize_reference (TREE_OPERAND (lhs, 0)),
TREE_OPERAND (lhs, 1));
newrhs = cp_build_modify_expr (TREE_OPERAND (lhs, 0), modifycode, rhs,
complain);
@@ -7665,7 +7665,7 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
not intervene between the lvalue-to-rvalue conversion and the
side effect associated with any single compound assignment
operator. -- end note ] */
- lhs = stabilize_reference (lhs);
+ lhs = cp_stabilize_reference (lhs);
rhs = rvalue (rhs);
rhs = stabilize_expr (rhs, &init);
newrhs = cp_build_binary_op (input_location,
diff --git gcc/testsuite/g++.dg/ext/cond2.C gcc/testsuite/g++.dg/ext/cond2.C
index e69de29..d9f1d59 100644
--- gcc/testsuite/g++.dg/ext/cond2.C
+++ gcc/testsuite/g++.dg/ext/cond2.C
@@ -0,0 +1,28 @@
+// PR c++/70744
+// { dg-do run }
+// { dg-options "" }
+
+static void
+fn1 (void)
+{
+ int x = 2;
+ ++x ? : 42;
+ if (x != 3)
+ __builtin_abort ();
+ --x ? : 42;
+ if (x != 2)
+ __builtin_abort ();
+ x++ ? : 42;
+ if (x != 3)
+ __builtin_abort ();
+ x-- ? : 42;
+ if (x != 2)
+ __builtin_abort ();
+}
+
+int
+main ()
+{
+ fn1 ();
+ return 0;
+}
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235438 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* attribs.c (register_scoped_attributes): Fix logic.
* attribs.h: Declare register_scoped_attributes.
c-family/
* c-common.c (handle_unused_attribute): Accept CONST_DECL.
No longer static.
* c-common.h: Declare it.
* c-lex.c (c_common_has_attribute): Add maybe_unused.
cp/
* tree.c (std_attribute_table): New.
(init_tree): Register it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235414 138bc75d-0d04-0410-961f-82ee72b054a4
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(SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
* tree-core.h (tree_type_common.align): Use bit-field.
(tree_type_common.spare): New.
(tree_decl_common.off_align): Make smaller.
(tree_decl_common.align): Use bit-field.
* expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
* omp-low.c (install_var_field): Use SET_DECL_ALIGN.
(scan_sharing_clauses): Ditto.
(finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(omp_finish_file): Ditto.
* stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
(layout_decl): Ditto.
(relayout_decl): Ditto.
(finalize_record_size): Use SET_TYPE_ALIGN.
(finalize_type_size): Ditto.
(finish_builtin_struct): Ditto.
(layout_type): Ditto.
(initialize_sizetypes): Ditto.
* targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
* tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
(lookup_field_for_decl): Use SET_DECL_ALIGN.
(get_chain_field): Ditto.
(get_trampoline_type): Ditto.
(get_nl_goto_field): Ditto.
* tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
SET_DECL_ALIGN.
(unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
* gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
* tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(build_qualified_type): Use SET_TYPE_ALIGN.
(build_aligned_type, build_range_type_1): Ditto.
(build_atomic_base): Ditto.
(build_common_tree_nodes): Ditto.
* cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
(expand_one_stack_var_at): Ditto.
* coverage.c (build_var): Use SET_DECL_ALIGN.
* except.c (init_eh): Ditto.
* function.c (assign_parm_setup_block): Ditto.
* symtab.c (increase_alignment_1): Ditto.
* tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
* tree-vect-stmts.c (ensure_base_align): Ditto.
* varasm.c (align_variable): Ditto.
(assemble_variable): Ditto.
(build_constant_desc): Ditto.
(output_constant_def_contents): Ditto.
* config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
* config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
* config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
* config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
* config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
ada/
* gcc-interface/decl.c (gnat_to_gnu_entity): Use SET_TYPE_ALIGN.
(gnat_to_gnu_field): Ditto.
(components_to_record): Ditto.
(create_variant_part_from): Ditto.
(copy_and_substitute_in_size): Ditto.
(substitute_in_type): Ditto.
* gcc-interface/utils.c (make_aligning_type): Use SET_TYPE_ALIGN.
(make_packable_type): Ditto.
(maybe_pad_type): Ditto.
(finish_fat_pointer_type): Ditto.
(finish_record_type): Ditto and use SET_DECL_ALIGN.
(rest_of_record_type_compilation): Use SET_TYPE_ALIGN.
(create_field_decl): Use SET_DECL_ALIGN.
c-family/
* c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN
and SET_DECL_ALIGN.
c/
* c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN.
cp/
* class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
(layout_class_type): Ditto.
(build_base_field): Use SET_DECL_ALIGN.
(fixup_attribute_variants): Use SET_TYPE_ALIGN.
* decl.c (duplicate_decls): Use SET_DECL_ALIGN.
(record_unknown_type): Use SET_TYPE_ALIGN.
(cxx_init_decl_processing): Ditto.
(copy_type_enum): Ditto.
(grokfndecl): Use SET_DECL_ALIGN.
(copy_type_enum): Use SET_TYPE_ALIGN.
* pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
(tsubst): Ditto.
* tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
* lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
* method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
* rtti.c (emit_tinfo_decl): Ditto.
fortran/
* trans-io.c (gfc_build_io_library_fndecls): Use SET_TYPE_ALIGN.
* trans-common.c (build_common_decl): Use SET_DECL_ALIGN.
* trans-types.c (gfc_add_field_to_struct): Use SET_DECL_ALIGN.
go/
* go-gcc.cc (Gcc_backend::implicit_variable): Use SET_DECL_ALIGN.
java/
* class.c (add_method_1): Use SET_DECL_ALIGN.
(make_class_data): Ditto.
(emit_register_classes_in_jcr_section): Ditto.
* typeck.c (build_java_array_type): Ditto.
objc/
* objc-act.c (objc_build_struct): Use SET_DECL_ALIGN.
libcc1/
* plugin.cc (plugin_finish_record_or_union): Use SET_TYPE_ALIGN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235172 138bc75d-0d04-0410-961f-82ee72b054a4
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PR target/1078
gcc/cp/
* tree.c (cxx_attribute_table): Remove "com_interface" entry.
(handle_com_interface_attribute): Delete.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235066 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/cp/ChangeLog:
PR c++/70610
* tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
recurse into it.
* typeck.c (build_x_conditional_expr): Unconditionally remember
that the result is an lvalue or xvalue.
gcc/testsuite/ChangeLog:
PR c++/70610
* g++.dg/template/pr70610.C: New test.
* g++.dg/template/pr70610-2.C: New test.
* g++.dg/template/pr70610-3.C: New test.
* g++.dg/template/pr70610-4.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234926 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/cp/ChangeLog:
PR c++/62212
* tree.c (build_cplus_array_type): Determine type-dependentess
with uses_template_parms instead of with dependent_type_p.
gcc/testsuite/ChangeLog:
PR c++/62212
* g++.dg/template/mangle2.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234457 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (strip_typedefs): Call strip_typedefs again on the
DECL_ORIGINAL_TYPE result.
* g++.dg/ext/attribute-may-alias-4.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234234 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
same type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233973 138bc75d-0d04-0410-961f-82ee72b054a4
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